W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 140

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

Continued
Register: HcRhPortStatus[1:2]
15-10
31-21
BITS
7-5
16
17
18
19
20
8
9
.
RESET
0h
0h
0h
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
-
-
-
Reserved. Read/Write 0's
(Read) PortPowerStatus
This bit reflects the power state of the port regardless of the power
switching mode.
Note: If NoPowerSwitching is set, this bit is always read as '1'.
(Write) SetPortPower
Writing a '1' sets PortPowerStatus. Writing a '0' has no effect.
(Read) LowSpeedDeviceAttached
This bit defines the speed (and bud idle) of the attached device. It is only
valid when CurrentConnectStatus is set.
(Write) ClearPortPower
Writing a '1' clears PortPowerStatus. Writing a '0' has no effect
Reserved. Read/Write 0's
ConnectStatusChange
This bit indicates a connect or disconnect event has been detected.
Writing a '1' clears this bit. Writing a '0' has no effect.
Note: If DeviceRemoveable is set, this bit resets to '1'.
PortEnableStatusChange
This bit indicates that the port has been disabled due to a hardware event
(cleared PortEnableStatus).
PortSuspendStatusChange
This bit indicates the completion of the selective resume sequence for the
port.
PortOverCurrentIndicatorChange
This bit is set when OverCurrentIndicator changes. Writing a '1' clears
this bit. Writing a '0' has no effect.
PortResetStatusChange
This bit indicates that the port reset signal has completed.
Reserved. Read/Write 0's
0 = Port power is off.
1 = Port power is on.
0 = Full Speed device
1 = Low Speed device
0 = No connect/disconnect event.
1 = Hardware detection of connect/disconnect event.
0 = Port has not been disabled.
1 = PortEnableStatus has been cleared.
0 = Port is not resumed.
1 = Port resume is complete.
0 = Port reset is not complete.
1 = Port reset is complete.
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W90N740CD/W90N740CDG
Publication Release Date: September. 19, 2005
DESCRIPTION
Revision A7